RoadVitals

2019 Thor Motor Coach Palazzo

Recalls, owner-reported complaints, investigations and safety data

Data refreshed

Owner complaintsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
2
Latest Aug 26, 2026
Safety recallsA safety recall is issued when a manufacturer or NHTSA determines that a vehicle has a safety-related defect or does not comply with a federal motor vehicle safety standard. Recall repairs are free. Whether a specific vehicle is covered depends on its VIN — a recall listed for a model year does not necessarily apply to every vehicle of that year.
4
Latest Feb 23, 2023
InvestigationsNHTSA opens an investigation to examine whether a safety defect may exist. An open investigation is not a determination that a defect exists, and many investigations close without a recall. Investigations can, however, lead to one.
0
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
0

Overview

Our database contains 2 NHTSA owner-reported complaints for the 2019 Thor Motor Coach Palazzo, most frequently naming the engine and visibility categories. 4 safety recalls have been issued covering this model year; and 1 manufacturer communication is on file.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

What owners report

Complaints grouped by the component NHTSA recorded

  • Engine150.0%
  • Visibility150.0%

Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.

Safety recalls

4 campaigns cover this model year

View all 4

Recalls apply to specific vehicles, not to every vehicle of a model year. Check your VIN with NHTSA or your manufacturer's dealer to confirm whether a recall affects your vehicle.

Check a VIN on NHTSA.gov
23V113000

EQUIPMENT:RECREATIONAL VEHICLE/TRAILER

Feb 23, 2023
1,969 units potentially affected
The defect: Thor Motor Coach (TMC) is recalling certain 2015-2023 Palazzo recreational vehicles. The front lower cap brackets that support the front fiberglass panel may become loose and detach from the vehicle while in motion.
The risk: A detached bracket can become a road hazard, increasing the risk of a crash.
The remedy: Dealers will inspect and replace the front lower brackets, as necessary, free of charge. Owner notification letters were mailed March 15, 2023. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000291.
Thor Motor CoachManufacturer number RC000291View on NHTSA.gov
21V522000

EQUIPMENT:RECREATIONAL VEHICLE/TRAILER; STRUCTURE

Jul 8, 2021
521 units potentially affected
The defect: Thor Motor Coach (TMC) is recalling certain 2019 Challenger, Palazzo, Tuscany, 2019-2020 Miramar, 2019-2021 Aria, Outlaw, and Venetian recreational vehicles equipped with Hehr 6400 series windows. The adhesive that bonds the vented portion of the window may fail.
The risk: Adhesive failure may cause the vent portion of the window to detach, increasing the risk of a crash or injury.
The remedy: Dealers will inspect the windows, and replace the vent if necessary, free of charge. Owner notification letters were mailed September 8, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000232.
Thor Motor CoachManufacturer number RC000232View on NHTSA.gov
20V559000

TIRES:VALVE

Sep 15, 2020
1,631 units potentially affected
The defect: Thor Motor Coach (TMC) is recalling certain 2018-2021 Aria, Palazzo, Tuscany, and Venetian motorhomes built on a Daimler Trucks (DTNA) chassis. The tire valve stem extension for the inner wheel may contact the outer wheel rim opening and become damaged.
The risk: Extensive damage to the valve stem extension may result in a loss of tire pressure of the inner wheel, increasing the risk of a crash.
The remedy: TMC will notify owners, and DTNA dealers will inspect the inner wheel valve stem stabilizers, and adjust as needed and/or replace the inner valve stem, free of charge. The recall began November 2, 2020. Owners may contact TMC customer service at 1-800-524-5210 extension 104 or DTNA customer service at 1-800-547-0712. TMC's number for this recall is RC000204. DTNA's number for this recall is FL-861.
Thor Motor CoachManufacturer number RC000204View on NHTSA.gov

Recent owner complaints

Reports submitted to NHTSA, shown in the owner's own words

Visibility
Filed Aug 26, 2026

The contact owns a 2018 FCC RV000042S. The contact stated that while driving at an undisclosed speed, the driver's side rear window independently detached and flew off. The RV was taken to the dealer, where the contact was informed that the driver's side rear window was defective and needed to be replaced. The RV was repaired. Additionally, the contact stated that the vehicle was initially taken to the dealer due to vandalism. Upon retrieving the vehicle, the dealer informed the contact that the window had not been replaced per the insurance company's instructions. The manufacturer was not notified of the failure. The failure mileage was approximately 13,000.

NHTSA ID
11759793
Incident
Sep 5, 2025
Mileage
13,000 mi
Engine
Filed Dec 30, 2024

Driving down the highway and the DEF check engine light came on. It indicated to pull over and shut down immediately. I was on a highway that had long 7% grade hills with minimal places to pull over in arizona mou tain range. I was able to make it home after engine debated. Took to a freightliner dealer and paid 4400.00 to have DEF pump replaced. It turns out that was not the problem. I tried to go on another trip a month later and I hot a low DEF signal. I was told it was a DEF head. Freightliner XCS chassis our having lots of issues with DEF. The def is for emissions and should not shut the engine down or debate the performance for an emussion issue.

NHTSA ID
11633262
Incident
Oct 7, 2024

Manufacturer communications

A bulletin sent by a manufacturer to its dealers. Not a recall, and repairs are not necessarily free.

TSB 20-08

STRUCTURE

The overhead cabinets located above the driver and front passenger seats may become loose during travel. This Technical Service Bulletin will be gathering information regarding this possible concern and will provide guidance on how to ensure the overhead cabinets are properly secured in the motorhome.

Manufacturers file copies of the bulletins they send to dealers with NHTSA. These often describe diagnostic or repair procedures for a known condition. They are not recalls: repairs described in a bulletin are usually only free if the vehicle is still under warranty or the manufacturer has extended coverage.

Compare model years

Complaint and recall counts across every year of this model

Thor Motor Coach Palazzo by model year
YearComplaintsRecallsInvestigationsIssue Index
2023010—
2022410—
2021020—
2020310—
2019Viewing240—
20181230—
2017621—
2016210—
2015010—
2014741—
2013840—

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers. Older model years have had longer for reports to accumulate.